Globant Senior Software Engineer Interview Questions and Answers

JavaScript interview questions cover concepts like closures, promises, and async/await, testing your knowledge of the language.

• What is a closure? Example: A function that retains access to its lexical scope even when the function is executed outside that scope.

• Explain promises in JavaScript. Example: A promise represents the eventual completion (or failure) of an asynchronous operation.

• What is the difference betwe...read more

Android activity is a single screen with a user interface, while fragment is a modular section of an activity.

• Activity represents a single screen with a user interface.

• Fragments are modular sections of an activity that contribute to the overall user interface.

• Activities can contain multiple fragments, allowing for more flexible and reusable UI designs.

• Fragments can be added, removed, or replaced within an activity...read more

A Batch Class is used in Salesforce to process records in batches.

• Batch classes are used to process large amounts of data in Salesforce.

• They are implemented by implementing the Database.Batchable interface.

• Batch classes have three main methods: start, execute, and finish.

• Example: public class MyBatchClass implements Database.Batchable { // implementation }

LWC Component for Senior Software Engineer interview

• Create a new Lightning Web Component using Salesforce CLI

• Define HTML template, JavaScript controller, and CSS styling

• Implement functionality using Apex controllers and Lightning Data Service

• Use @wire to fetch data from Salesforce backend

• Leverage Salesforce Lightning Design System for UI components

Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine.

• Node.js is used for server-side scripting and building scalable network applications.

• It allows running JavaScript code outside of a web browser.

• Node.js uses an event-driven, non-blocking I/O model for efficiency and scalability.

• It has a rich ecosystem of modules and packages available through npm (Node Package Manager).

range and xrange are used to generate a sequence of numbers in Python.

• range returns a list of numbers while xrange returns an iterator object.

• range is memory-intensive while xrange is memory-efficient.

• range is used in Python 3 while xrange is used in Python 2.

• range can take three arguments: start, stop, and step while xrange can take two arguments: start and stop.